The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Mr. Hugh Medine retires
3(1) Opinion
Acronym competition, no biology in the bulletin?
4(2) Vibrating spatula
An even simpler yet effective design.
4(2) Integrating photometer experiment
Light falling on the cell causes deposition of copper on the cathode, which can be weighed periodically.
5(3) Microprojection using the o.h.p.
How to project a microscope image using an Overhead Projector.
6(4) Puzzle box
A simple design for an intriguing object.
7(5) A timer and frequency meter, part 1
It is not a difficult matter to construct a millisecond timer which will register transit times of moving vehicles.
11(9) Trade News
11(9) In The Workshop – circuit board
Much of the work in current electricity in Section 7 of the Integrated Science course can be carried out with this circuit board.
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Scottish branch A.S.E. annual meeting, FE. help with CSYS projects, Easter closing dates
3(1) Opinion
Capital equipment costs 1.
4(2) Timer and frequency meter, part 2
This continues the article on the timer and frequency meter, the first part of which appeared in Bulletin 86.
9(7) Gram formula mass determination
The gram formula mass of an unknown volatile substance is found by comparing the masses of equal volumes of the unknown and a known substance when both are vaporised and at the same temperature and pressure.
10(8) Trade News
11(9) In the Workshop – Syringe oven
A syringe oven for use in gram formula mass determination as described above.
13(11) ‘O’ grade microscopes
Bulletin Supplement of test reports available.
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Bulletin distribution arrangements, Surplus equipment distribution, Assistant director of chemistry appointed (Allen Cochrane).
4(2) Electronic calculators
We have embarked for a second time on the task of assessing electronic calculators
6(4) Surplus chemicals
Griffin and George have given to us for disposal a large number of chemicals.
7(5) Asbestos hazard
Following on a television programme we have had a number of queries from teachers, obviously prompted by parent and pupil concern, on the risks associated with handling asbestos. We state the position as informatively as we can.
8(6) Equipotential lines experiment
Regarding the experiment to show equipotential surfaces – a suggestion is to use alternating rather than direct current is examined.
9(7) EMF by potentiometer
Can it be effectively and accurately measured?
10(8) In the Workshop – centrifugal pump
A centrifugal liquid pump in which the rotor is a permanent magnet, driven by a standard magnet stirrer is described.
11(9) Microprojection with an OHP
We describe a wooden stand carrying a back-projection viewing screen which allows the teacher to micro-project a slide to a group of 4-5 pupils so that significant features may be pointed out.
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Biology equipment list, Surplus chemicals, Cost index
4(2) Opinion
Microbiology hazards
6(4) Aquarium heaters
It is now illegal to sell the glass envelope type of aquarium heater.
6(4) Drosophila feeding
Disposable feeding bottles are ideal for Drosophila culture.
6(4) Measurement of sodium D line wavelength
A very simple method of determining the wavelength,
7(5) Steam engine hazard
In October last year, the BBC Nationwide programme featured a series of accidents involving the Mamod model steam engine,
8(6) Surplus physics equipment
11(9) Trade News
13(11) In the Workshop — measured volume dispenser
This dispenser not only allows liquids to be dispensed into test tubes, flasks or beakers without spillage, but will deliver the selected volume accurate to within 0.1 ml.
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Chemistry equipment list, Session 1976/77 programme, Footnote
4(2) Opinion
Telephone troubles
5(3) Microbiology again
It was interesting to note that the disquiet felt by a non-biologist (Opinion, Bulletin 89) about practical microbiology in schools, is shared by a professional microbiologist working in the Public Health Laboratory at Dulwich Hospital.
7(5) Vacuum filtration
Using a syringe pump instead of a standard water-powered device.
7(5) Sodium absorption effect
How to demonstrate an absorption spectrum.
8(6) Photo-transistor alternative
A cheaper alternative to the commonly used device.
9(7) Average and rms values of alternating current
An OHP demonstration of average and RMS va1ues of alternating current.
9(7) Variable focus lens
Make a varifocal lens from a transparent plastic bottle whose sides can be squeezed to increase or reduce their curvature.
10(8) Trade News
12(10) Address List
13(11) Bulletin Index Nos 80 – 89
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Distribution of surplus equipment, Free chemicals, FE. help with CSYS projects
4(2) Nickel cadmium cells
Notes on the care of nickel cadmium cells.
5(3) Surplus physics equipment
10(8) Asbestos hazard – again
Since we published a note in Bulletin 88 on hazards due to asbestos in the science laboratory there has been considerable activity both within and without educational circles. Further advice.
12(10) In the Workshop – Microscope illuminator
How to make a simple, DIY microscope illuminator.
13(11) Monohybrid cross model
A simple model to help pupils understand a simple monohybrid genetic cross
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
Chemistry project competition, FE, help with C.S.Y.S. projects, Surplus equitment
3(1) Opinion
Flameproof cabinets
4(2) Fire test on a flameproof cabinet
Results of testing our wooden flameproof cabinet.
7(5) Bis-CME hazard
Warning of danger from Griffin and George in one of their own booklets.
7(5) S concert pitch generator
How to divide down a 1 MHz crystal controlled frequency, to generate the concert pitch A 440 Hz with an accuracy better than 0.05%.
11(9) Surplus physics equipment
12(10) Trade News
13(11) Bulletin Supplement — stereornicroscopes
Test reports available on stereomicroscopes
14(12) Address List
The page numbers refer to the pages in the pdf. (The numbers in brackets are those given in the actual bulletin)
3(1) Introduction
CSYS experimental guide to mechanics, Subscription reminder, Cost index, Christmas and New Year closing dates
3(1) Opinion
The use of goggles in chemistry
5(3) Hydrogen electrode
The cost and difficulty in use often discourages teachers from using a hydrogen electrode. We show a cheaper easier way to do it.
7(5) Mendel’s second law
Following on from Bulletin 91, dealing with the independent assortment of characters in a dihybrid cross, is a little more difficult to simulate but we have a solution.
9(7) In The Workshop – Mendel’s second law
A flashing light model used in the activity described above.
13(11) Trade News
14(12) Address List
